Handle change in Rails 4.2.5.1 private method

lib/mobylette/resolvers/chained_fallback_resolver.rb

@@ -24,9 +24,9 @@ def initialize(formats = {}, view_paths = ['app/views'])
       #     ...
       #   }
       #
-      # It will add the fallback chain array of the 
+      # It will add the fallback chain array of the
       # request.format to the resolver.
-      # 
+      #
       # If the format.request is not defined in formats,
       # it will behave as a normal FileSystemResovler.
       #
@@ -39,12 +39,13 @@ def replace_fallback_formats_chain(formats)
       # Private: finds the right template on the filesystem,
       #         using fallback if needed
       #
-      def find_templates(name, prefix, partial, details)
+      def find_templates(name, prefix, partial, details, outside_app_allowed = false)
         # checks if the format has a fallback chain
         if @fallback_formats.has_key?(details[:formats].first)
           details = details.dup
-          details[:formats] = Array.wrap(@fallback_formats[details[:formats].first]) 
+          details[:formats] = Array.wrap(@fallback_formats[details[:formats].first])
         end
+        # Skip fifth argument for compatability with older Rails version
         super(name, prefix, partial, details)
       end